Literary usage of Circumvallated

Below you will find example usage of this term as found in modern and/or classical literature:

1.The Medical Times and Gazette (1866)"The extravasated points formed two circumvallated lines, as shown in the ...
The patches with the circumvallated lines may be said to form three distinct ..."

2.Cosmos: A Sketch of a Physical Description of the Universe by Alexander von Humboldt (1868)"Do we not seek in vain in the great mountains of basalt and porphyritic slate
for central points (crater mountains), or lower, circumvallated, ..."

3.The History of the Peloponnesian War by Thucydides, Henry Dale, Thomas Arnold (1873)"... a precipitous tract, and lying right above their city, they could not, even
if defeated in battle, bo easily circumvallated, they determined to guard ..."

4.Education by Project Innovation (Organization) (1919)"The skirt, shaped like a haystack, circumvallated a square yard or more of floor
space, while the animating essence that moved the figure appeared in ..."